2,274 first-hand accounts of flood events in Pennsylvania, ranked by impact. Each is a NOAA-written narrative of the moment.
A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025.
Read the full account →A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025.
Read the full account →A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025.
Read the full account →At 730 PM EDT on 8th, State Rte 258 was closed by flood near Mercer. As of 9 AM on 9th, widespread flooding continued. At Jamestown, 12 families were evacuated as a precaution because of a dam (time unknown); the dam did not fail. Total rain: 4 inches in Mercer.
Read the full account →A deep upper trough and low pressure moving across the Ohio Valley pushed warm and humid air northward ahead of a cold front moving east with the surface low.
Read the full account →A deep upper trough and low pressure moving across the Ohio Valley pushed warm and humid air northward ahead of a cold front moving east with the surface low.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A powerful cold front and upper level trough pushed across the Upper Ohio Valley on July 10th producing widespread severe weather and flash flooding from eastern Ohio, northern West Virginia, and western Pennsylvania. This included 3 separate tornadoes.
Read the full account →A significant severe weather and flash flood outbreak developed across northeast Pennsylvania as a storm system moved east from the Great Lakes. Thunderstorms with damaging winds and very heavy rain developed and moved across the area during the overnight hours on the 28th.
Read the full account →Low pressure moving across the Ohio valley brought rain and warmer temperatures to the region. This combination led to snow melt and widespread flooding along the Cheat, Youghiogheny, and Monongalhela rivers, with the Ohio river at Pittsburgh also rising above flood stage on the…
Read the full account →A shortwave traveling north over a broad ridge in the central U.S dragged a weak cold front over the Ohio Valley. This coldfront set off thunderstorms in the afternoon and evening hours on the 18th.
Read the full account →A slow moving cold front and a moist unstable airmass combined to produce scattered severe thunderstorms and flash flooding across eastern Ohio and Western Pennsylvania.
Read the full account →A slow moving cold front and a moist unstable airmass combined to produce scattered severe thunderstorms and flash flooding across eastern Ohio and Western Pennsylvania.
Read the full account →A slow moving cold front and a moist unstable airmass combined to produce scattered severe thunderstorms and flash flooding across eastern Ohio and Western Pennsylvania.
Read the full account →Low pressure deepening over the Great Lakes produced areas of thunderstorms the afternoon and evening of July 27th, with some of the storms being severe across western Pennsylvania, northern West Virginia, and eastern Ohio.
Read the full account →A series of thunderstorms preceding a cold front dropped three to six inches of rain across sections of Berks County, the Lehigh Valley, Philadelphia and its nearby suburbs.
Read the full account →By 859 PM EDT on 8th, several roads were closed by flood near New Castle, including Rtes 18 and 108. By 1145 PM, numerous roads were flooded countywide; and 30 people evacuated in North Beaver Twp. By 9 AM EDT on 9th, flooding was still widespread.
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